Trump’s invite to speak about nuclear weapons with an antagonistic dictator is surprising. It’s news! But beyond that, the complexity of the situation in general, coupled with Trump’s erratic nature in particular, makes it near impossible to say what it all means, let alone evaluate it against past presidents’ efforts.

So Burnett, our navigator on this familiar journey, threw up her hands: If Trump does the good thing, it will be good. Never mind that much of the evidence before us suggests viewers should also prepare for the exact opposite.